US2486479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination grab bucket and live boom
Assignee: Individual
•
Filing: 1944-11-04
•
Granted: 1949-11-01
•
Expires: 1964-11-04
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:06
CPC Classifications
B; B66; B66C; B66C3/00; B66C3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US497021A
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US539962A
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US477621A
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US671134A
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US767536A
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US827635A
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US850356A
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US1327324A
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US1544969A
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US2219479A
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US2196649A
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US2374074A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |